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| | |-+  smoothstepper losing communication
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Author Topic: smoothstepper losing communication  (Read 8718 times)
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« Reply #10 on: February 05, 2010, 04:29:09 PM »

You went a little further than I did.  I had the exact same problem, and my solution was to wrap my USB cable around/through a ferrite bead.  I also wrapped the DC wires going to my VFD's around/through a second ferrite bead.  One other thing I did was I added a 10uF cap to the +5VDC and 0VDC terminal on the SS board.

Hope this helps some too.
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« Reply #11 on: September 13, 2017, 05:36:45 AM »

I have had the same issue. I have  USB SS  and  5 meter USB cable. Additionally I have 2 spindles with 2 VFD  running same time. Without  any preventive action I could run 4 or 5 minutes then  mach3  was freezing .  After reading your recommendations  I put  2 ferrites  to both ends of USB cable. It helped. Frequency of random stops is decreased  but didn't solve completely. Then I have ground my machine. I t didn't help at all.  I have put another wire shorting to machine chasis  and shell of USB input cable of SS.  There is no freezing at all now. I can run at 4 khz setting. ( due to my pc can't meet demands I have dropped it to 1 khz later)  At beginning  I can't go over 500 mhz.  I hope this will help the people facing same problem.
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